ALBERT

Note: Table of Contents: SECTION A: MODERN OCEAN AND SEA-ICE PROCESSES. - Features of Seasonal and Interannual Variability of the Sea Level and Water Circulation in the Laptev Sea / V. K. Pavlov and P. V. Pavlov. - Numerical Modelling of Storm Surges in the Laptev Sea Based on the Finite Element Method / I. Ashik and A. Novakov. - Large-Scale Variations of Sea Level in the Laptev Sea / G. N. Voinov and E. A. Zakharchuk. - Extreme Oscillations of the Sea Level in the Laptev Sea / I. Ashik, Y. Dvorkin and Y. Vanda. - Internal Waves in the Laptev Sea / E. A. Zakharchuk. - The Composition of the Coarse Fraction of Aerosols in the Marine Boundary Layer over the Laptev, Kara and Barents Seas / V. P. Shevchenko, A. P. Lisitzin, R. Stein, V. V. Serova, A. B. Isaeva and N. V. Politova. - New Data on Sea-Ice Albedo in the Laptev and Barents Seas / B. V. Ivanov. - Possible Causes of Radioactive Contamination in the Laptev Sea / V. K. Pavlov, V. V. Stanovoy and A. I. Nikitin. - Oceanographic Causes for Transarctic Ice Transport of River Discharge / I. Dmitrenko, P. Golovin, V. Gribanov and H. Kassens. - Step-Like Vertical Structure Formation Due to Turbulent Mixing of Initially Continuous Density Gradients / A. Zatsepin, S. Dikarev, S. Poyarkov, N. Sheremet, I. Dmitrenko, P. Golovin and H. Kassens. - Dissolved and Paniculate Major and Trace Elements in Newly Formed Ice from the Laptev Sea (Transdrift III, October 1995) / J. A. Hölemann, M. Schirmacher and A. Prange. - Particle Entrainment into Newly Forming Sea Ice - Freeze-Up Studies in October 1995 / F. Lindemann, J. A. Holemann, A. Korablev and A. Zachek. - Frazil Ice Formation during the Spring Flood and its Role in Transport of Sediments to the Ice Cover / P. Golovin, I. Dmitrenko, H. Kassens and J. A. Hölemann. - SECTION B: THE MARINE ECOSYSTEM. - Pelagic-Benthic Coupling in the Laptev Sea Affected by Ice Cover / C. Grahl, A. Boetius and E.-M. Nöthig. - Chlorophyll a Distribution in Water Column and Sea Ice during the Laptev Sea Freeze-Up Study in Autumn 1995 / K. v. Juterzenka and K. Knickmeier. - Composition, Abundance and Population Structure of Spring-Time Zooplankton in the Shelf-Zone of Laptev Sea / E. N. Abramova. - Macrobenthos Distribution in the Laptev Sea in Relation to Hydrology / V. V. Petryashov, B. I. Sirenko, A. A. Golikov, A. V. Novozhilov, E. Rachor, D. Piepenburg and M. K. Schmid. - Carepoctus solidus sp.n., a New Species of Liparid Fish (Scorpaeniformes, Liparidae) from the Lower Bathyal of the Polar Basin / N. V. Chernova. - Spring Stopover of Birds on the Laptev Sea Polynya / D. V. Solovieva. - SECTION C: LAND-OCEAN INTERACTIONS AND PATHWAYS. - Major, Trace and Rare Earth Element Geochemistry of Suspended Particulate Material of East Siberian Rivers Draining to the Arctic Ocean / V. Rachold. - Carbon Isotope Composition of Particulate Organic Material in East Siberian Rivers / V. Rachold and H.-W. Hubberten. - Distribution of River Water and Suspended Sediment Loads in the Deltas of Rivers in the Basins of The Laptev and East-Siberian Seas / V. V. Ivanov and A. A. Piskun. - Dissolved Oxygen, Silicon, Phosphorous and Suspended Matter Concentrations During the Spring Breakup of The Lena River / S. V. Pivovarov, J. A. Hölemann, H. Kassens, M. Antonow and I. Dmitrenko. - Distribution Patterns of Heavy Minerals in Siberian Rivers, the Laptev Sea and the eastern Arctic Ocean: An Approach to Identify Sources, Transport and Pathways of Terrigenous Matter / M. Behrends, E. Hoops and B. Peregovich. - The Role of Coastal Retreat for Sedimentation in the Laptev Sea / F. E. Are. - SECTION D: TERRESTRIAL ENVIRONMENT - PAST AND PRESENT. - Seasonal Changes in Hydrology, Energy Balance and Chemistry in the Active Layers of Arctic Tundra Soils in Taymyr Peninsula, Russia / J. Boike and P. P. Overduin. - The Landscape and Geobotanical Characteristics of the Levinson-Lessing Lake Basin, Byrranga Mountains, Central Taimyr / M. A. Anisimov and I. N. Pospelov. - Studies of Methane Production and Emission in Relation to the Microrelief of a Polygonal Tundra in Northern Siberia / V. A. Samarkin, A. Gundelwein and E.-M. Pfeiffer. - Carbon Dioxide and Methane Emmissions at Arctic Tundra Sites in North Siberia / M. Sommerkom, A. Gundelwein, E.-M. Pfeiffer and M. Bolter. - The Features of the Hydrological Regime of the Lake-River Systems of the Byrranga Mountains (by the Example of the Levinson-Lessing Lake) / V. P. Zimichev, D. Yu. Bolschyanov, V. G. Mesheryakov and D. Gintz. - Lead-210 Dating and Heavy Metal Concentration in Recent Sediments of Lama Lake (Norilsk Area, Siberia) / B. Hagedorn, S. Harwart, M. M. R. van der Loeff and M. Melles. - Late Weichselian to Holocene Diatom Succession in a Sediment Core from Lama Lake, Siberia and Presumed Ecological Implications / U. Kienel. - Climate and Vegetation History of the Taymyr Peninsula since Middle Weichselian Time - Palynological Evidence from Lake Sediments / J. Hahne and M. Melles. - Laminated Sediments from Levinson-Lessing Lake, Northern Central Siberia - A 30,000 Year Record of Environmental History? / T. Ebel, M. Melles and F. Niessen. - High-Resolution Seismic Stratigraphy of Lake Sediments on the Taymyr Peninsula, Central Siberia / F. Niessen, T. Ebel, C. Kopsch and G. B. Fedorov. - Archaeological Survey in Central Taymyr / V. V. Pitul'ko. - Marine Pleistocene Deposits of the Taymyr Peninsula and their Age from ESR Dating / D. Bolshiyanov and A. Molodkov. - Paleoclimatic Indicators from Permafrost Sequences in the Eastern Taymyr Lowland / C. Siegert, A. Yu. Derevyagin, G.N. Shilova, W.-D. Hermichen and A. Hiller. - SECTION E: MARINE DEPOSITIONAL ENVIRONMENT - PAST AND PRESENT. - Stable Oxygen Isotope Ratios in Benthic Carbonate Shells of Ostracoda, Foraminifera, and Bivalvia from Surface Sediments of the Laptev Sea, Summer 1993 and 1994 / H. Erlenkeuser and U. von Grafenstein. - Determination of Depositional Beryllium-10 Fluxes in the Area of the Laptev Sea and Beryllium-10 Concentrations in Water Samples of High Northern Latitudes / C. Strobl, V. Schulz, S. Vogler, S. Baumann, H. Kassens, P. W. Kubik, M. Suter and A. Mangini. - Spatial Distribution of Diatom Surface Sediment Assemblages on the Laptev Sea Shelf (Russian Arctic) / H. Cremer. - Diatoms from Surface Sediments of the Saint Anna Trough (Kara Sea) / R. N. Djinoridze, G. I. Ivanov, E. N. Djinoridze, and R. F. Spielhagen. - Distribution of Aquatic Palynomorphs in Surface Sediments from the Laptev Sea, Eastern Arctic Ocean / M. Kunz-Pirrung. - Distribution of Pollen and Spores in Surface Sediments of the Laptev Sea / O. D. Naidina and H. A. Bauch. - Clay Mineral Distribution in Surface Sediments of the Laptev Sea: Indicator for Sediment Provinces, Dynamics and Sources / B. T. Rossak, H. Kassens, H. Lange and J. Thiede. - Planktic Foraminifera in Holocene Sediments from the Laptev Sea and the Central Arctic Ocean: Species Distribution and Paleobiogeographical Implication / H. A. Bauch. - Holocene Diatom Stratigraphy and Paleoceanography of the Eurasian Arctic Seas / Y. Polyakova. - Late Quaternary Organic Carbon and Biomarker Records from the Laptev Sea Continental Margin (Arctic Ocean): Implications for Organic Carbon Flux and Composition / R. Stein, K. Fahl, F. Niessen and M. Siebold. - Late Pleistocene Paleoriver Channels on the Laptev Sea Shelf - Implications from Sub-Bottom Profiling / H. P. Kleiber and F. Niessen. - Main Structural Elements of Eastern Russian Arctic Continental Margin Derived from Satellite Gravity and Multichannel Seismic Reflection Data / S. S. Drachev, G. L. Johnson, S. W. Laxon, D. C. McAdoo and H. Kassens. - High Resolution Seismic Studies in the Laptev Sea Shelf: First Results and Future Needs / B. Kim, G. Grikurov and V. Soloviev. - SECTION F: SUMMARY. - Dynamics and History of the Laptev Sea and its Continental Hinterland: A Summary / J. Thiede, L. Timokhov, H. A. Bauch, D. Bolshiyanov, I. Dmitrenko

Note: Inhaltsverzeichnis 1 Einführung 1.1 Übersicht 1.2 Modernes naturwissenschaftliches Klimaverständnis 1.3 Modelle in der Klimaforschung 2 Klimarelevante Prozesse 2.1 Energie und Strahlung 2.1.1 Strahlung 2.1.2 Wärmetrausporte 15 2.1.3 Transport von Energie im Wasserkreislauf 2.2 Dynamik der Atmosphäre 2.2.1 Erzeugung von Bewegung 2.2.2 Vertikalstruktur der Atmosphäre 2.2.3 Allgemeine Zirkulation 2.2.4 Regionale Strukturen 2.2.5 Turbulenz 2.2.6 Aerosolpartikel 2.2.7 Wolken und Niederschlag 2.3 Zirkulation des Ozeans 2.3.1 Meeresoberflächenströmungen 2.3.2 Tiefenzirkulation 2.3.3 Wellen und Wirbel 2.4 Spurenstoffkreisläufe 2.4.1 Wasserdampf 2.4.2 Kohlendioxid 2.4.3 Methan 2.4.4 Stickstoffverbindungen 2.5 Kryosphäre 3 Natürliche Klimavariabilität 3.1 Jahres- und Tagesgang 3.2 Wetter 3.3 Interannuale Klimaschwankungen 3.3..1 ENSO-Phänomen 3.3.2 Nordatlantische Oszillation 3.3.3 Temperaturentwicklung seit 1900 3.3.4 Die Frage der Sonnenflecken 3.1 Homogenitätsproblematik 3.5 Historische Klimavariationen 3.6 Paläoklimatologie 3.6.1 Vereisungen 3.6.2 Klimarekonstruktion der Kalt- und Warmzeiten 3.6.3 Milanković-Theorie 4 Konzeptionelle Modelle 4.1 Klimazonen 4.2 Ein exemplarisches Energiebilanzmodell 4.2.1 Vereinfachte Bilanzgleichung für Energie 4.2.2 Diskretisierung 4.2.3 Schließung der Gleichung 4.2.4 Berechnungen: Integration 4.3 Physikalisch orientierte Modelle 4.4 Nichtlinearität und Chaos 4.5 Fluktuationen als stochastische Vorgänge 4.6 Wechselwirkungen verschiedener Prozesse 4.6.1 Gedämpftes System mit Störungen 4.6.2 Wirkung von positiven Rückkopplungen 5 Grundlagen von Strömungsmodellen 5.1 Grundgleichungen der Strömungs- und Thermodynamik 5.1.1 Zustandsvariablen 5.1.2 Gesetz der Massenerhaltung 5.1.3 Prinzip der Energieerhaltung 5.1.4 Impulserhaltung 5.1.5 Massenbilanzen für Beimengungen 5.1.6 Zustandsgleichungen 5.1.7 Zusammenfassung 5.2 Diskretisierung 5.2.1 Räumliche Diskretisierung 5.2.2 Zeitliche Diskretisierung 5.3 Parametrisierung und subskalige Prozesse 5.3.1 Schließungsproblem 5.3.2 Beispiel 1: Turbulenz 5.3.3 Beispiel 2: Konvektion und Wolkenbildung 5.3.4 Kritische Übersicht 5.4 Numerische Integration 6 Realitätsnahe Modelle des Klimasystems 6.1 Wettervorhersagemodelle 6.2 Modelle zur Klimasimulation 6.2.1 Methodik von Simulationen 6.2.2 Wechselwirkung von Atmosphäre und Ozean 6.2.3 Klimadrift und Flußkorrektur 6.2.4 Technische Details 6.2.5 Modellierung von Stoffkreisläufen und Biosphäre 6.3 Simulationen von Klimazuständen 6.3.1 Kontrollsimulationen des derzeitigen Klimas 6.3.2 Rekonstruktion von Paläoklimaten 6.3.3 Klimate anderer Planeten 6.3.1 Regionale und lokale Strukturen 6.4 Numerische Experimente mit Modellen 6.1.1 Zielsetzung 6.4.2 Wirksamkeit von Prozessen 6.4.3 Einschwingzeit der Atmosphäre 6.4.4 Sensitivität gegenüber Randbedingungen 6.5 Anwendung zur Klimavorhersage 6.5.1 Prognosen des ENSO-Phänomens 6.5.2 Großskalige Ölbrände in Kuwait 6.6 Beurteilung der Klimamodelle 7 Anthropogene Klimänderung 7.1 Übersicht 7.2 Emissions- und Konzentrations-Szenarien 7.2.1 Szenarien zukünftiger Emissionen 7.2.2 Erwartete Konzentrationen der Treibhausgase 7.3 Klimaszenarien realitätsnaher Modelle 7.3.1 Transiente Szenarienrechnungen 7.3.2 Ergebnisse eines exemplarischen Klima-Szenarios 7.3.3 Problem Kaltstart 7.3.4 2 x CO2-Simulationen 7.3.5 Informationswert von Szenarienrechnungen 7.3.6 Kritische Bewertung der Szenarien 7.4 Nachweis anthropogener Klimabeeinflussung 7.4.1 Zielsetzung 7.4.2 Natürliche Variabilität 7.4.3 Gewichtungsmuster und Nachweisvariable 7.4.4 Nachweis 7.4.5 Beurteilung 7.5 Lokale und regionale Szenarien 7.5.1 Hochaufgelöste Zeitscheibenexperimente 7.5.2 Regionalmodelle 7.5.3 Empirische Modelle 7.5.4 Implikationen 8 Klima und Gesellschaft 8.1 Übersicht 8.2 Historischer Überblick : gesellschaftliche Vorstellungen zum Einfluß von Klima 8.3 Klimafolgenforschung 8.3.1 Grundproblematik 8.3.2 Direkt beeinflußte Systeme 8.3.3 Indirekt beeinflußte Systeme 8.4 Ökonomische Aspekte des Klimawandels 8.4.1 Klimaänderung als Kostenfaktor 8.4.2 Ein zeitabhängiges Sechs-Komponenten-Modell 8.4.3 Beurteilung 8.4.4 Übersicht Klimapolitik 8.5 Vorstellungen von Klimawandel 8.5.1 Problemstellung 8.5.2 Natürliche Variabilität versus Kausalitätsdenken 8.5.3 Die Kempton-Studie 8.5.4 Soziale Interpretationsmechanismen 9 Résumé 10 Anhang 11 Literatur Stichwortverzeichnis

Note: Inhaltsverzeichnis 1 Berlin: Die Wiege der Stratosphärenforschung 1.1 Erste meteorologische Beobachtungen 1.2 Die Erforschung der Freien Atmosphäre 1.2.1 Bemannte Freiballonfahrten 1.2.2 Unbemannte Registrierballone 1.3 Die Entdeckung der Stratosphäre 1.4 Das Observatorium Lindenberg 1.4.1 Die Entdeckung der BERSON-Westwinde am Äquator 1.5 Das Institut für Meteorologie der FU Berlin 1.5.1 Die Entdeckung des Berliner Phänomens 1.5.2 Eine erste Klimatologie 1.5.3 Erste tägliche Wetterkarten von der Stratosphäre 1.5.4 Die Entdeckung des Einflusses der Sonne Literatur 2 Kurzbeschreibung der Klimatologie 2.1 Was für Daten haben wir heute? 2.2 Der mittlere Zustand der Stratosphäre 2.2.1 Die Temperatur von Pol zu Pol 2.2.2 Der Wind von Pol zu Pol 2.2.3 Die Zirkulation von Pol zu Pol 2.2.4 Monatsmittelkarten über der Nordhemisphäre 2.2.5 Monatsmittelkarten über der Südhemisphäre 2.3 Variabilität und Trends 2.3.1 Variabilität der Temperatur von Jahr zu Jahr 2.3.2 Temperaturtrends in der Stratosphäre Literatur 3 Warme und kalte Winter in der Stratosphäre 3.1 Einleitung 3.2 Major Midwinter Warming 3.2.1 Einteilung der Stratosphärenerwärmungen 3.2.2 Das "Major Midwinter Warming" im Winter 1990/91 3.2.3 Schema einer Stratosphärenerwärmung 3.3 Zusammenhänge 3.3.1 Die Southern Oscillation (SO) 3.3.2 Die Quasi-Biennial Oscillation (QBO) 3.3.3 Das solare Signal im Nordwinter 3.3.4 Vulkane und kalte Winter in der arktischen Stratosphäre 3.4 Vergleich zwischen Arktis und Antarktis 3.5 Modellexperimente Literatur 4 Die Quasi-Biennial Oscillation 4.1 Frühe Beobachtungen 4.2 Die Entdeckung der QBO 4.3 Heutiger Kenntnisstand 4.4 Zusammenhang mit den hohen Breiten Literatur 5 Die Ozonschicht und ihre Probleme 5.1 Einleitung 5.2 Frühe Beobachtungen 5.2.1 Dobsons frühes Meßnetz 5.2.2 Der Ozongehalt über Tromsö 5.3 Die natürliche Verteilung des Gesamtozons 5.4 Anthropogene Ozonabnahme in der Stratosphäre 5.4.1 Katalytische Ozonzerstörung 5.4.2 "Ozonloch" über der Antarktis 5.4.3 Trends im stratosphärischen Ozongehalt 5.4.4 Maßnahmen zur Reduktion des Chlorgehalts Literatur 6 Der 11jährige Sonnenfleckenzyklus 6.1 Einleitung 6.2 Das solare Signal im Lauf des Jahres 6.2.1 Nordhemisphäre 6.2.2 Südhemisphäre 6.2.3 Globale Korrelationen 6.3 Eine Verbindung zur tropischen Troposphäre? 6.4 Gesamtozongehalt und der Sonnenfleckenzyklus 6.5 Suche nach dem Mechanismus . Literatur 7 Schlußbetrachtungen 7.1 Zusammenfassung des bisher Gesagten 7.2 Relevanz der Stratosphäre 7.3 Unerwartetes! Inhaltsverzeichnis Glossar Sachverzeichnis

Note: Contents I Review of Current Concepts 1 Introduction 1.1 Sequence Stratigraphy: A New Paradigm? 1.2 From Sloss to Vail 1.3 Problems and Research Trends: The Current Status 1.4 Stratigraphic Terminology 2 Methods for Studying Sequence Stratigraphy 2.1 Introduction 2.2 Erecting a Sequence Framework 2.2.1 The Importance of Unconformities 2.2.2 Facies Cycles 2.2.3 Stratigraphic Architecture: The Seismic Method 2.3 Methods for Assessing Regional and Global Changes in Sea Level, Other Than Seismic Stratigraphy 2.3.1 Areas and Volumes of Stratigraphic Units 2.3.2 Hypsometric Curves 2.3.3 Backstripping 2.3.4 Sea-Level Estimation from Paleoshorelines and Other Fixed Points 2.3.5 Documentation of Meter-Scale Cycles 2.4 Integrated Tectonic-Stratigraphic Analysis 3 The Four Basic Types of Stratigraphic Cycle 3.1 Introduction 3.2 The Supercontinent Cycle 3.3 Cycles with Episodicities of Tens of Millions of Years 3.4 Cycles with Million-Year Episodicities 3.5 Cycles with Episodicities of Less Than One Million Years 4 The Basic Sequence Model 4.1 Introduction 4.2 Terminology 4.3 Depositional Systems and Systems Tracts 4.4 Sequence Boundaries 4.5 Other Sequence Concepts 5 The Global Cycle Chart II The Stratigraphic Framework 6 Cycles with Episodicities of Tens to Hundreds of Millions of Years 6.1 Climate, Sedimentation, and Biogenesis 6.2 The Supercontinent Cycle 6.2.1 The Tectonic-Stratigraphic Model 6.2.2 The Phanerozoic Record 6.3 Cycles with Episodicities of Tens of Millions of Years 6.3.1 Intercontinental Correlations 6.3.2 Tectonostratigraphic Sequences 6.4 Main Conclusions 7 Cycles with Million-Year Episodicities 7.1 Extensional and Rifted Clastic Continental Margins 7.2 Foreland Basin of the North American Western Interior 7.3 Other Foreland Basins 7.4 Forearc Basins 7.5 Backarc Basins 7.6 Cyclothems and Mesothems 7;7 Carbonate Cycles of Platforms and Craton Margins 7.8 Evidence of Cyclicity in the Deep Oceans 7.9 Main Conclusions 8 Cycles with Episodicities of Less Than One Million Years 8.1 Introduction 8.2 Neogene Clastic Cycles of Continental Margins 8.3 Pre-Neogene Marine Carbonate and Clastic Cycles 8.4 Late Paleozoic Cyclothems 8.5 Lacustrine elastic and Chemical Rhythms 8.6 Clastic Cycles of Foreland Basins 8.7 Main Conclusions III Mechanisms 9 Long-Term Eustasy and Epeirogeny 9.1 Mantle Processes and Dynamic Topography 9.2 Supercontinent Cycles 9.3 Cycles with Episodicities of Tens of Millions of Years 9.3.1 Eustasy 9.3.2 Dynamic Topography and Epeirogeny 9.4 Main Conclusions 10 Milankovitch Processes 10.1 Introduction 10.2 The Nature of Milankovitch Processes 10.2.1 Components of Orbital Forcing 10.2.2 Basic Climatology 10.2.3 Variations with Time in Orbital Periodicities 10.2.4 Isostasy and Geoid Changes 10.2.5 The Nature of the Cyclostratigraphic Data Base 10.2.6 The Sensitivity of the Earth to Glaciation 10.2.7 Glacioeustasy in the Mesozoic? 10.2.8 Nonglacial Milankovitch Cyclicity 10.3 The Cenozoic Record 10.4 Late Paleozoic Cyclothems 10.5 The End-Ordovician Glaciation 10.6 Main Conclusions 11 Tectonic Mechanisms 11.1 Introduction 11.2 Rifting and Thermal Evolution of Divergent Plate Margins 11.2.1 Basic Geophysical Models and Their Implications for Sea-Level Change 11.2.2 Some Results from the Analysis of Modern Data Sets 11.3 Tectonism on Convergent Plate Margins and in Collision Zones 11.3.1 Magmatic Arcs and Subduction 11.3.2 Tectonism Versus Eustasy in Foreland Basins 11.3.2.1 The North American Western Interior Basin 11.3.2.2 The Appalachian Foreland Basin 11.3.2.3 Pyrenean and Himalayan Basins 11.3.3 Rates of Uplift and Subsidence 11.3.4 Discussion 11.4 Intraplate Stress 11.4.1 The Pattern of Global Stress 11.4.2 In-Plane Stress as a Control of Sequence Architecture 11.4.3 In-Plane Stress and Regional Histories of Sea-Level Change 11.5 Basement Control 11.6 Other Speculative Tectonic Hypotheses 11.7 Sediment Supply and the Importance of Big Rivers 11.8 Environmental Change 11.9 Main Conclusions IV Chronostratigraphy and Correlation: Why the Global Cycle Chart Should Be Abandoned 12 Time in Sequence Stratigraphy 12.1 Introduction 12.2 Hierarchies of Time and the Completeness of the Stratigraphic Record 12.3 Main Conclusions 13 Correlation, and the Potential for Error 13.1 Introduction 13.2 The New Paradigm of Geological Time? 13.3 The Dating and Correlation of Stratigraphic Events: Potential Sources of Uncertainty 13.3.1 Identification of Sequence Boundaries 13.3.2 Chronostratigraphic Meaning of Unconformities 13.3.3 Determination of the Biostratigraphic Framework 13.3.3.1 The Problem of Incomplete Biostratigraphic Recovery 13.3.3.2 Diachroneity of the Biostratigraphic Record 13.3.4 The Value of Quantitative Biostratigraphic Methods 13.3.5 Assessment of Relative Biostratigraphic Precision 13.3.6 Correlation of Biozones with the Global Stage Framework 13.3.7 Assignment of Absolute Ages 13.3.8 Implications for the Exxon Global Cycle Chart 13.4 Correlating Regional Sequence Frameworks with the Global Cycle Chart 13.4.1 Circular Reasoning from Regional Data 13.4.2 A Rigorous Test of the Global Cycle Chart 13.4.3 A Correlation Experiment 13.4.4 Discussion 13.5 Main Conclusions 14 Sea-Level Curves Compared 14.1 Introduction 14.2 The Exxon Curves: Revisions, Errors, and Uncertainties 14.3 Other Sea-Level Curves 14.3.1 Cretaceous Sea-Level Curves 14.3.2 Jurassic Sea-Level Curves 14.3.3 Why Does the Exxon Global Cycle Chart Contain So Many More Events Than Other Sea-Level Curves? 14.4 Main Conclusions V Approaches to a Modern Sequence-Stratigraphic Framework 15 Elaboration of the Basic Sequence Model 15.1 Introduction 15.2 Definitions 15.2.1 The Hierarchy of Units and Bounding Surfaces 15.2.2 Systems Tracts and Sequence Boundaries 15.3 The Sequence Stratigraphy of Clastic Depositional Systems 15.3.1 Pluvial Deposits and Their Relationship to Sea-Level Change 15.3.2 The Concept of the Bayline 15.3.3 Deltas, Beach-Barrier Systems, and Estuaries 15.3.4 Shelf Systems: Sand Shoals and Condensed Sections 15.3.5 Slope and Rise Systems 15.4 The Sequence Stratigraphy of Carbonate Depositional Systems 15.4.1 Platform Carbonates: Catch-Up Versus Keep-Up 15.4.2 Carbonate Slopes 15.4.3 Pelagic Carbonate Environments 15.5 Main Conclusions 16 Numerical and Graphical Modeling of Sequences 16.1 Introduction 16.2 Model Design 16.3 Selected Examples of Model Results 16.4 Main Conclusions VI Discussion and Conclusions 17 Implications for Petroleum Geology 17.1 Introduction 17.2 Integrated Tectonic-Stratigraphic Analysis 17.2.1 The Basis of the Methodology 17.2.2 The Development of an Allostratigraphic Framework 17.2.3 Choice of Sequence-Stratigraphic Models 17.2.4 The Search for Mechanisms 17.2.5 Reservoir Characterization 17.3 Controversies in Practical Sequence Analysis 17.3.1 The Case of the Tocito Sandstone, New Mexico 17.3.2 The Case of Gippsland Basin, Australia 17.3.3 Conclusions: A Modified Approach to Sequence Analysis for Practicing Petroleum Geologists and Geophysicists 17.4 Main Conclusions 18 Conclusions and Recommendations 18.1 Sequences in the Stratigraphic Record 18.1.1 Long-Term Stratigraphic Cycles 18.1.2 Cycles with Million-Year Episodicities 18.1.3 Cycles with Episodicities of Less Than One Million Years 18.2 Mechanisms 18.2.1 Long-Term Eustasy and Epeirogeny 18.2.2 Milankovitch Processes 18.2.3 Tectonic Mechanisms 18.3 Chronostratigraphy and Correlation 18.3.1 Concepts of Time 18.3.2 Correlation Problems, and the Basis of the Global Cycle Chart 18.3.3 Comparison of Sea-Level Curves 18.4 Modern Sequence Analysis 18.4.1 Elaboration of the Basic Sequence Model 18.4.2 Numerical and Graphical Modeling of Stratigraphic Sequences 18.5 Implications for Petroleum Geology 18.6 The Global-Eustasy Paradigm: Working Backwards from the Answer? 18.6.1 The Exxon Factor 18.6.2 Conclusions . 18.7 Recommendations References Author Index Subject Index

Note: Pages 1-10, Introduction and basic principles of isotope geochemistry --- Pages 11-31, Weathering --- Pages 33-45, Isotope geochemistry of river water --- Pages 47-88, Isotope geochemistry in the environment --- Pages 89-153, Isotopic composition of seawater past and present (Sr, Nd, Pb, Os, Ce) --- Pages 155-184, Isotope geochemistry of detrital and authigenic clay minerals in marine sediments (Rb−Sr, K−Ar, O) --- Pages 185-211, The Sm−Nd isotope system in detrital and authigenic argillaceous sediments

Note: Univ. of Western Australia, Diss. von D. Müller--Nedlands , Pages 1-2, Introduction --- Pages 3-10, Definitions and Nomenclature --- Pages 11-39, Tectonic settings of potassic igneous rocks --- Pages 41-64, Selected type-localities of potassic igneous rocks from the five tectonic settings --- Pages 65-84, Primary enrichment of precious metals in potassic igneous rocks --- Pages 85-134, Direct associations between potassic igneous rocks and gold-copper deposits --- Pages 135-158, Indirect associations between lamprophyres and gold-copper deposits --- Pages 159-171, Halogen contents of mineralized versus unmineralized potassic igneous rocks --- Pages 173-176, Implications for mineral exploration --- Pages 177-200, Characteristics of some gold-copper deposits associated with potassic igneous rocks

Note: Contents: 1 The Biological Paradigm ; 2 Threshold Logic ; 3 Weighted Networks - The Perceptron ; 4 Perceptron Learning ; 5 Unsupervised Learning and Clustering Algorithms ; 6 One and Two Layered Networks ; 7 The Backpropagation Algorithm ; 8 Fast Learning Algorithms ; 9 Statistics and Neural Networks ; 10 The Complexity of Learning ; 11 Fuzzy Logic ; 12 Associative Networks ; 13 The Hopfield Model ; 14 Stochastic Networks ; 15 Kohonen Networks ; 16 Modular Neural Networks ; 17 Genetic Algorithms ; 18 Hardware for Neural Networks

Note: Contents: I INTRODUCTION. - 1 Ecosystem Response, Resistance, Resilience, and Recovery in Arctic Landscapes: Introduction / J. F. Reynolds and J. D. Tenhunen. - 1.1 Introduction. - 1.2 NRC Committee Report. - 1.3 The R4D Program. - 1.3.1 Objectives and Conceptual Framework. - 1.3.2 Program Implementation. - 1.3.3 Landscape Function. - 1.4 Summary. - References. - 2 Integrated Ecosystem Research in Northern Alaska, 1947-1994 / G. R. Shaver. - 2.1 Introduction. - 2.2 Early Days at NARL. - 2.3 The U.S. Tundra Biome Program. - 2.4 The Meade River RATE Program. - 2.5 Eagle Creek and Eagle Summit. - 2.6 The Arctic LTER Program at Toolik Lake. - 2.7 Other Studies In Alaska and Elsewhere. - 2.8 Summary and Prospects. - References. - 3 Disturbance and Recovery of Arctic Alaskan Vegetation / D. A. Walker. - 3.1 Introduction. - 3.2 Disturbance and Recovery. - 3.3Typical Disturbance and Recovery Patterns. - 3.3.1 Small Disturbed Patches. - 3.3.2 Contaminants. - 3.3.2.1 Hydrocarbon Spills. - 3.3.2.2 Seawater and Reserve-Pit Spills. - 3.3.3 Fire. - 3.3.4 Transportation Corridors. - 3.3.4.1 Bulldozed Tundra and Related Disturbances. - 3.3.4.2 Off-Road Vehicle Trails. - 3.3.4.2.1 Summer Travel. - 3.3.4.2.2 Winter Travel. - 3.3.4.3 Permanent Roads and Pads. - 3.3.4.4 Gravel Mines. - 3.3.4.5 Native Species in Revegetation of Gravel Pads and Mines. - 3.3.4.6 Road Dust. - 3.3.4.7 Roadside Impoundments. - 3.3.5 Cumulative Impacts. - 3.4 Conclusions. - References. - 4 Terrain and Vegetation of the Imnavait Creek Watershed / D. A. Walker and M. D. Walker. - 4.1 Introduction. - 4.2 Terrain. - 4.2.1 Glacial Deposits. - 4.2.2 Retransported Hillslope Deposits. - 4.2.3 Colluvial Basin Deposits. - 4.2.4 Floodplain Deposits. - 4.3 Vegetation. - 4.3.1 Flora. - 4.3.2 Vegetation Types. - 4.3.2.1 Lichen-Covered Rocks. - 4.3.2.2 Dry Heath. - 4.3.2.2.1 Exposed Sites. - 4.3.2.2.2 Snowbeds. - 4.3.2.3 Tussock Tundra. - 4.3.2.4 Riparian Areas. - 4.3.2.5 Mires. - 4.3.2.6 Beaded Ponds. - 4.4 West-Facing Toposequence. - 4.5 Terrain Sensitivity to Disturbance. - 4.6 Conclusions. - Appendix A. List of Plants for Imnavait Creek, Alaska. - References. - 5 Vegetation Structure and Aboveground Carbon and Nutrient Pools in the Imnavait Creek Watershed / S. C. Hahn, S. F. Oberbauer, R. Gebauer, N. E. Grulke, O. L. Lange, and J. D. Tenhunen. - 5.1 ntroduction. - 5.2 Description of Vegetation. - 5.3 Sampling Methods. - 5.3.1 Cover. - 5.3.2 Biomass and Nutrient Pools. - 5.4 Cover. - 5.5 Aboveground Biomass. - 5.5.1 Live Biomass. - 5.5.2 Photosynthetic Biomass. - 5.5.3 Lichen Biomass. - 5.5.4 Organic Litter. - 5.5.5 Watershed Patterns. - 5.6 Nutrient Pools. - 5.6.1 N and P in Heath Cryptogams. - 5.6.2 N and P in Communities. - 5.7 Discussion and Conclusions. - References. - II PHYSICAL ENVIRONMENT, HYDROLOGY, and TRANSPORT. - 6 Energy Balance and Hydrological Processes in an Arctic Watershed / L. Hinzmann, D. L. Kane, C. S. Benson, and K. R. Everett. - 6.1 Introduction. - 6.2 Radiation and Thermal Regimes. - 6.2.1 Surface Energy Balance. - 6.2.2 Snow Cover and Soil Thermal Regime. - 6.3 Hydrological Processes. - 6.3.1 Snowmelt. - 6.3.2 Plot and Basin Water Balance. - 6.3.3 Runoff and Basin Discharge. - 6.3.4 Precipitation, Evaporation, and Evapotranspiration. - 6.4 Energy Balance and Hydrology Models. - 6.4.1 Simulation of the Thermal Regime. - 6.4.2 Simulation of Snowmelt. - 6.4.3 Simulation of Catchment Runoff. - 6.5 Conclusions. - References. - 7 Shortwave Reflectance Properties of Arctic Tundra Landscapes / A. S. Hope and D. A. Stow. - 7.1 Introduction. - 7.2 Shortwave Reflectance Studies in Arctic Environments. - 7.2.1 Environmental Considerations. - 7.2.2 Radiometric Data. - 7.2.3 Image Data. - 7.3 Spectral Reflectance. - 7.3.1 Aboveground Biomass. - 7.3.2 Vegetation Composition. - 7.3.3 Landscape Patterns. - 7.3.4 Effects of Dust Deposition. - 7.4 Albedo. - 7.4.1 Undisturbed Tussock Tundra. - 7.4.2 Effects of Dust Deposition. - 7.5 Conclusions. - References. - 8 Isotopic Tracers for Investigating Hydrological Processes / L. W. Cooper, I. L. Larsen, C. Solis, J. M. Grebmeier, C. R. Olsen, D. K. Solomon, and R. B. Cook. - 8.1 Introduction. - 8.1.1 Units. - 8.1.2 Conservative vs Nonconservative Isotopes. - 8.2 Nonconservative Tracers. - 8.3 Sulfur-35. - 8.4 Oxygen-18. - 8.4.1 Oxygen-18 Content of Snowpack. - 8.4.2 Oxygen-18 Content of Imnavait Creek. - 8.4.3 Oxygen-18 Content of Soil Moisture. - 8.4.4 Covariance of Oxygen-18 and Deuterium in Watershed Compartments. - 8.4.5 Covariance of Oxygen-18 and Deuterium in Plant Water. - 8.5 Long-Lived Radioisotopes: Lead-210 and Cesium-137. - 8.5.1 Distribution of 137Cs on Tundra and in Lake Sediments. - 8.5.2 Cycling of 137Cs in Annual Berries. - 8.5.3 Distribution of 210Pb in Tundra. - 8.6 Conclusions. - References. - III NUTRIENT AND CARBON FLUXES. - 9 Surface Water Chemistry and Hydrology of a Small Arctic Drainage Basin / K. R. Everett, D. L. Kane, and L. D. Hinzman. - 9.1 Introduction. - 9.2 Watershed Instrumentation. - 9.3 Snowmelt Period. - 9.3.1 Snowmelt Hydrology. - 9.3.2 Snowmelt Chemistry . - 9.3.2.1 Overland Flow. - 9.3.2.2 Water Track Flow. - 9.3.2.3 Imnavait Creek Flow. - 9.4 Post Snowmelt Period. - 9.4.1 Atmospheric Inputs. - 9.4.1.1 Rainfall. - 9.4.1.2 Dry Deposition. - 9.4.1.3 Rime. - 9.4.2 Water Chemistry. - 9.4.2.1 Overland Flow. - 9.4.2.2 Active Layer Flow. - 9.4.2.3 Imnavait Creek Flow. - 9.5 Conclusions. - References. - 10 Nutrient Availability and Uptake by Tundra Plants / J. P. Schimel, K. Kielland, and F. S. Chapin III. - 10.1 Introduction. - 10.2 Controls on Mineralization and Nutrient Supply. - 10.2.1 Patterns of Nutrient Supply in the Soil. - 10.2.2 Patterns of Mineralization. - 10.2.3 Controls on N and P Mineralization. - 10.2.4 Controls on Decomposition and Mineralization. - 10.2.4.1 Temperature. - 10.2.4.1.1 Enzyme Activities. - 10.2.4.1.2 Microbial Activity at Low Temperatures. - 10.2.4.1.3 Freeze-Thaw Events. - 10.2.4.2 Effects of Low Oxygen on Microbial Activity and Mineralization. - 10.2.4.3 Substrate Quality. - 10.3 Fate of Available Nutrients. - 10.3.1 Microbial Nutrient Uptake and Competition with Plants. - 10.3.2 Plant Uptake. - 10.3.2.1 Soil Factors Controlling Nutrient Absorption. - 10.3.2.2 Rooting Strategies. - 10.3.2.3 Uptake Characteristics of Tundra Plants. - 10.3.2.4 Retranslocation vs Current Uptake. - 10.4 Disturbances. - 10.4.1 Vehicle Tracks. - 10.4.2 Road Dust. - 10.4.3 Gray Water. - 10.4.4 Climate Change. - References. - 11 Landscape Patterns of Carbon Dioxide Exchange in Tundra Ecosytems / S. F. Oberbauer, W. Cheng, C. T. Gillespie, B. Ostendorf, A. Sala, R. Gebauer, R. A. Virginia, and J. D. Tenhunen. - 11.1 Introduction. - 11.2 Methods. - 11.2.1 Community Types. - 11.2.2 Leaf Photosynthesis. - 11.2.3 Ecosystem Efflux. - 11.2.4 Ecosystem Net CO2 Exchange. - 11.3 CO2 Uptake. - 11.3.1 Factors Affecting CO2 Uptake. - 11.3.1.1 Light. - 11.3.1.2 Temperature. - 11.3.1.3 Phenology. - 11.3.1.4 Water Availability. - 11.3.1.5 Nutrition. - 11.3.2 Landscape Patterns in Leaf Photosynthesis. - 11.4 CO2 Efflux. - 11.4.1 Factors Affecting CO2 Efflux. - 11.4.1.1 Live Plant Biomass. - 11.4.1.2 Soil Quality. - 11.4.1.3 Thaw Depth and Depth to Water Table. - 11.4.1.4 Soil Moisture. - 11.4.1.5 Soil Temperature. - 11.4.2 Landscape Patterns of CO2 Efflux. - 11.4.3 Daily and Seasonal Patterns of CO2 Efflux. - 11.4.4 Dust Deposition Effects on CO2 Efflux. - 11.5 Landscape Patterns in Net CO2 Exchange. - 11.6 Conclusions. - References. - 12 Control of Tundra Methane Emission by Microbial Oxidation / S. C. Whalen, W. S. Reeburgh, and C. E. Reimers. - 12.1 Introduction. - 12.2 Sampling Procedure. - 12.3 Results and Discussion. - 12.3.1 Methane Flux and Environmental Variables in Tundra and Taiga. - 12.3.2 Physiology, Controls, and Potential for Microbial CH4 Oxidation. - 12.3.3 Methane Oxidation by Tundra Soils in a Warmer Climate. - 12.4 Conclusions. - References. - 13 Dynamics of Dissolved and Particulate Car

Note: Contents Observed Climatic Variability: Time Dependence / J. M. WALLACE Observed Climatic Variability: Spatial Structure / J. M. WALLACE Predictability of the Atmosphere and Oceans: From Days to Decades / T. N. PALMER Mechanisms for Decadal-to-Centennial Climate Variability / E. S. SARACHIK, M. WINTON and F. L. YIN Long-Term Coordinated Changesin the Convective Activity of the North Atlantic / R. DICKSON, J. LAZIER, J. MEINCKE and P. RHINES Mechanism for Decadal Climate Variability / M. LATIF, A. GROTZNER, M. MUNNICH, E. MAIER-REIMER, S. VENZKE and T. P. BARNETTA The Climate Response to the Changing Greenhouse Gas Concentration in the Atmosphere / L. BENGTSSON Analysis of Thermohaline Feedbacks / J. MAROTZKE An Overview of Century Time-Scale Variability in the Climate System: Observations and Models / T. F. STOCKER Steady States and Variability in Oceanic Zonal Flows / D. OLBERS and C. VOLKER Spectral Methods: What They Can and Cannot Do for Climatic Time Series / M. GHIL and P. Yiou Subject Index List of Participants

Note: Inhalt Geleitwort Danksagung Bildnachweis 1 Einleitung 2 Vom Wetter zum Klima 3 Das Klima der Vergangenheit Die Kleine Eiszeit Die quartären Vereisungen Die Geschichte des Klimas seit der Entstehung der Erde 4 Die Luft und das Wasser - die treibenden Elemente des Planeten Die atmosphärische Zirkulation Die ozeanische Zirkulation 5 Die Funktionsweise der Klimamaschine Luft und Wasser treten in Aktion Eis und Klima Das Leben und das Klima 6 Der Mensch und das Klima Die Treibhausgase Folgen der Verstärkung des Treibhauseffektes Das Ozon 7 Vorbereitung auf die Zukunft Literaturverzeichnis

Note: Introduction 1 Definitions 2 Historical Development of the Term Rockglacier 3 Rockglaciers: Description and Morphometry 3.1 General Description 3.2 Form Types 3.3 Morphometric Parameters 3.3.1 Rockglacier Sizes 3.3.2 Tongue-Shaped Rockg1aciers 3.3.3 Lobate Rockg1aciers 3.3.4 Rockglacier Thickness 3.3.5 Surface Relief 3.3.6 Rockglacier Surface and Source Area 4 Rockglacier Taxonomy 5 Rockglacier Distribution 5.1 General Information 5.2 Local Rockglacier Distribution 5.2.1 The Alps 5.2.2 The Mountains of Northern Europe 5.2.3 The Pyrenees 5.2.4 North American Mountains 5.2.5 The Andes of Central and South America 5.2.6 The Mountains of Asia 5.2.7 The Southern Alps 5.2.8 Antarctic Mountains 5.2.9 Conclusions 6 Rockglacier Material, Surficial Fabric and Internal Structure 6.1 Rock Type and Grain Size at and below the Surface 6.1.1 Rock Type 6.1.2 Grain Sizes at the Surface 6.1.3 Development of the Bouldery Mantle 6.1.4 Surface Fabric 6.1.5 Grain Sizes below the Bouldery Mantle 6.2 Internal Structure 6.2.1 Direct Information 6.2.1.1 Excavations, Outcrops, Tunnels 6.2.1.2 Smaller Boreholes 6.2.1.3 The Deep Borehole through the Rockglacier Murtel I 6.2.2 Indirect Information 6.2.2.1 Seismic Information 6.2.2.2 Geoelectric Soundings 6.2.2.3 Radio-Echo Soundings 6.2.2.4 Gravimetry 6.2.2.5 Borehole Geophysics and Related Measurements 6.2.2.6 BTS Measurements 6.2.2.7 Summary: The Inner Core of an Active Rockglacier 6.3 The Active Layer on Rockglaciers 7 Rockglacier Movement, Velocity, and Rheology 7.1 The Horizontal and Vertical Movement of Active Rockglaciers 7.1.1 Measurement Methods 7.1.2 Annual Horizontal Displacement 7.1.3 Long-Term Annual Averages 7.1.4 Long-Term Estimates 7.1.5 Longer Time Series 7.1.6 Monthly and Seasonal Measurements 7.1.7 Vertical Displacement 7.1.8 Conclusion 7.2 Geometry of Movement 7.2.1 The General Flow Patterns of Active Rockglaciers 7.2.1.1 Gruben Rockglacier 7.2.1.2 Macun Rockglacier 7.2.1.3 Arapaho Rockglacier 7.2.2 Horizontal Velocity on Longitudinal and Cross-Sectional Profiles 7.2.3 Surface and Subsurface Velocity 7.3 Rheologic Considerations 7.3.1 Shear Stress and Strain Rates in Active Rockglaciers 7.3.2 The Rheological Description of Active Rockglaciers 7.4 Rockglacier Movement and Climate 7.5 Discussion of Rockglacier Movement 8 Rockglacier Genesis and the Relation to Similar-Looking Landforms 8.1 Rockglacier Genesis 8.1.1 The Formation of Active Rockglaciers 8.1.1.1 Talus Rockglaciers 8.1.1.2 Debris Rockglaciers 8.1.1.3 Special Rockglaciers 8.1.1.4 Problematic Cases 8.1.2 Inactive Rockglaciers 8.1.3 Relict (Fossil) Rockglaciers 8.2 Published Hypotheses of Rockglacier Formation 8.2.1 Mass-Movement Hypotheses 8.2.1.1 The Bergsturz Hypothesis in General 8.2.1.2 Landslide Influences 8.2.2 The Glacial Hypothesis 8.2.2.1 Debris-Covered Glaciers and Thermokarst 8.2.2.2 Transition from True Glaciers to Rockglaciers? 8.2.2.3 The Moraine Hypothesis 8.2.3 The Periglacial (Blockstream) Hypothesis 8.3 True Rockglaciers under Wrong Labels 8.3.1 The Ostrem Ice-Cored Moraine Concept 8.3.2 The Protalus Rampart Concept 9 The Age of Rockglaciers 9.1 The Age of Active Rockglaciers 9.2 The Age of Climatic Inactive Rockglaciers 9.3 The Age of Relict (Fossil) Rockglaciers 10 Rockglaciers and the High Mountain Environment 10.1 Active Rockglaciers and Mountain Permafrost 10.2 Rockglaciers in the Coarse Debris Cycle 10.2.1 Rockglaciers and Talus Production 10.2.2 Rockglacier Size and Source Area 10.2.3 Rockglaciers as a Debris Transport System 10.3 Rockglaciers and Climate 10.3.1 Rockglaciers and Present Climate 10.3.2 Relict Rockglaciers and Paleoclimate Reconstruction 10.3.3 Reactivation of Inactive or Relict Rockglaciers 10.3.4 Rockglaciers and Climatic Change 10.4 Rockglaciers in the Alpine Hydrological Cycle 10.4.1 Rockglaciers as a Water Store 10.4.2 Discharge from Rockglacier Permafrost 10.4.3 Fluctuations in Rockglacier Permafrost Storage 10.5 Rockglaciers as Hazards in Alpine Environments 10.6 The Environment of Active Rockglaciers 11 Summary and Outstanding Problems 12 References Index of Place Names Subject Index